Home / 816,096.80-1,224,145.20-648,135.20

Finding the Fourth Proportional to 816,096.80, 1,224,145.20 and 648,135.20

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Solution

The fourth proportional to 816,096.80, 1,224,145.20 and 648,135.20 is: 972,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,096.80 : 1,224,145.20 = 648,135.20 : x
  2. Step 2: Convert to fraction form
    816,096.80/1,224,145.20 = 648,135.20/x
  3. Step 3: Cross multiply
    816,096.80x = 1,224,145.20 × 648,135.20
  4. Step 4: Simplify right side
    816,096.80x = 793,411,594,031.04
  5. Step 5: Solve for x
    x = 793,411,594,031.04/816,096.80
  6. Step 6: Final answer
    x = 972,202.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.